Report No. CG-D-12-93 AD-A272 907

A Study of Boat and Boat Propeller-RelatedInjuries in the United States

1991-1992

Christine M. Branche-DorseySuzanne M. Smith

Denise Johnson

National Center for Injury Prevention and Control

Centers for Disease Control and Prevention4770 Buford Highway, N.E.Chamblee, Georgia 30341

FINAL REPORTJUNE 1993

This document is available to the U.S. public through the fi, V' I L0 6 1993National Technical Information Service, Springfield, Virginia 22161 U

Prepared for:

U.S. Coast GuardResearch and Development Center1082 Shennecossett RoadGroton, CT 06340-6096

and 93-28018U.S. Department of TransportationUnited States Coast GuardOffice of Engineering, Logistics, and DevelopmentWashington, DC 20593-0001

93 1i 15

NOTICEThis document is disseminated under the sponsorship of theDepartment of Transportation in the interest of informationexchange. The United States Government assumes no liabilityfor its contents or use thereof.

The United States Government does not endorse products ormanufacturers. Trade or manufacturers' names appear hereinsolely because they are considered essential to the object ofthis report.

The contents of this report reflect the views of the Coast GuardResearch & Development Center. This report does not consti-tute a standard, specification, or regulation.

%ý*SKLOPD. L. MotherwayTechnical Director, ActingUnited States Coast GuardResearch & Development Center1082 Shennecossett RoadGroton, CT 06340-6096

ii

Technical Report Documentation Page1. Report No. 2. Government Accession No. 3. Recipient's Catalog No.

CG-D-12-93I

4. Title and Subtitle 5. Report Date

June 1993A Study of Boat and Boat Propeller-Related Injuries 6. Performing Organization Codein the United States, 1991-1992

8. Performing Organization Report No.7. Author(s)Christine M. Branche-Dorsey, Suzanne M. Smith, Denise Johnson R&DC 13/939. Performing Organization Name and Address 10. Work Unit No. (TRAIS)

Epidemiology Branch, National Center for Injury Preventionand Control Centers for Disease Control and Prevention 11. Contract or Grant No.4770 Buford Highway, N.E. (Mailstop K-60) MIPR # Z51100-1-E33A18Chamblee, Georgia 30341 13. Type of Report and Period Covered

12. Sponsoring Agency Name and Address Final Report,

Department of Transportation September 1991 - August 1992U.S. Coast Guard U.S. Coast Guard 14. Sponsoring Agency CodeResearch and Development Center Office of Engineering, Logistics,1082 Shennecossett Road and DevelopmentGroton, Connecticut 06340-6096 Washington, D.C. 20593-0001

15. Supplementary Notes Coast Guard R&D Center COTR: Stephen J. Allen, 203-441-2731.

16. Abstract

This report emanates from the U.S. Department of Transportation Appropriations Bill, 1991 (Report101-584), which requested that the United States Coast Guard contract with the National Center forInjury Prevention and Control, Centers for Disease Control and Prevention "to determine the numberand severity of boat-propeller-related injuries." Data collection on boat and boat-propeller-relatedinjuries was achieved through two mechanisms. The first mechanism was a nationwide data collectionof boat and boat-propeller-related injuries using the existing National Electronic InjurySurveillance System, which is operated by the U.S. Consumer Product Safety Commission. The secondmechanism made use of the Florida Department of Health and Rehabilitative Services' statewidehospital-based trauma registry. The latter data collection was enhanced by linkage with boatingaccident reports from the Florida Marine Patrol. The study shows that between 61,390 and 46,369boating injuries were estimated to occur in the United States during September 1, 1991 throughAugust 31, 1992, the study period. Boat propellers were responsible for an estimated 1,155 of theseinjuries. The study includes data on all boating-related injuries, including those occurring on and offthe water, and with the engine on and off. Data from the State of Florida indicated that 860 boatinginjuries occurred during the study period, and that 43 of these were caused by a boat propeller. TheFlorida data also indicated that 71 individuals died while participating in boating-related activities,and that seven of these fatalities were as a result of propeller injuries.

17. Key Words 18. Distribution Statement

propeller injuries Document is available to the U.S. p,-blic throughboating safety the National Technical Information Service,

Springfield, Virginia 22161

19. Security Classif. (of this report) 20. SECURITY CLASSIF. (of this page) 21. No. of Pages 22. Price

UNCLASSIFIED UNCLASSIFIED

Form DOT F 1700.7 (8/72) Reproduction of form and completed page is authorized

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Appendix 5-- I

UNITED STATES GOVERNMENT U.S. CONSUMER PRODUCT

MEMORANDUM SAFETY COMMISSION

WASHINGTON, D.C. 20207

TO NEISS Coordinators DATE : August 1991

FROM : NEISS OperationsDivision of Hazard and Injury Data Systems

SUBJECT: Special Study to Collect Boating Injuries for EmergencyRoom (ER) Patients Treated from September 1, 1991 throughAugust 31, 1992

INJURIES TO BE REPORTED:

All NEISS hospitals are being asked to identify and report allinjuries that were associated with boats or boating activities(excluding work-relatec. injuries). This includes all types ofboats (sail boats, motor boats, row boats, canoes, kayaks, jetskis, etc.). Other activities which might be included if a boat ismentioned in the ER record are: water skiing, scuba diving,swimming, and diving.

These data are being collected for and shared with the Centers forDisease Control (CDC) and the U.S. Coast Guard in their efforts toreduce injuries associated with boating. Since boating injuriesmay not be among the most often reported injuries, we want to besure to capture every case of interest and provide as complete asurveillance record as possible. For these reasons, we include aone-page study reminder sheet which could be placed in theadmitting area. We plan to forward to you a boating study posteras soon as it is prepared.

All normal rules for NEISS data collection will be followed, suchas excluding cases which are identified as work-related andreporting assaults or suicide attempts only for victims 15 yearsand younger. Some examples of reportable and not reportable casesare given below:

Report: Swimming in bay when run cver by motor boat;leg lacerated by boat motor.

Report: Near drowning - canoe overturned in river;victim pulled from water by bystander.

Report: Water skier injured when he got tangled in boattow rope.

Do not report: Captain of cruise ship fell on deck of ship;broken leg (occupational injury).

Apwpendix 5 - 2

2

Do not report: Operator of pontoon boat lacerated finger onnail when securing boat at dock (ER indicatesworkman's compensation case; occupationalinjury)

Do not report: Self-employed fishing boat captain strainedhis back when loading his boat with supplies(occupational injury)

STUDY PERIOD: Injuries treated in your emergency room from

September 1, 1991 through August 31, 1992.

IN-SCOPE PRODUCT CODES: Whenever a boat or boating activity ismentioned in the ER record, use one of the following codes aseither the first or the second product:

3292 - Personal watercraft, powered (e.g., jet ski)3290 - Boat and/or boating activity (excl. flotation

devices, ice and snow boating)

Product code 3292 already exists. Product code 3298 is being addedfor this study.

Of course, in conjunction w4.th the use of one of the above productcodes, you should also report any other product involved (waterskiing, scuba diving, footwear, etc.)

SURVEILLANCE DATA: In addition to the usual NEISS variables, suchas age, sex, diagnosis, body part, fire or motor vehicleinvolvement, etc., we will be requesting special data variables ona special screen whenever a boat (product code 3292 or 3298) ismentioned as part of the incident. Several copies of the screenare attached. Use a hard copy of this special screen as a codingsheet for each boating case. Make sure you write in the patient'streatment date and case number in the upper right-hand corner,enter the necessary responses based on the ER record and keep thespecial coding sheet with the appropriate NEISS coding sheet forthat treatment date.

Appendix 5 - 3

3

DATA ENTRY: A new PC-NEISS program has been written to accommodatethe boating study together with some other new features. BeforeSeptember 1, you will receive new PC-NEISS computer diskettes andinstructions for loading them into your computer. For boatinginjury cases treated on or after September 1, 1991, you will enterthe boating cases through PC-NEISS as you normally do, includingall the usual NEISS variables. In addition, whenever you enter oneof the two boating product codes (3292 or 3298) as either lstProdor 2ndProd, a second data entry screen will appear. Use yourspecial boating code sheet to enter the data on the second screen.Treatment date and case number will appear automatically on thesecond screen.

The data entry program will include edit procedures to check forvalid codes and other entries as required. Listed below are thespecial study variables:

SPECIAL STUDY VARIABLES:

Type of Boat: 1 = motorboat2 = sail boat3 = canoe4 = personal watercraft (product 3292)5 = other0 = type of boat not recorded

Note: Whenever you use code 5 = other, please describethe type of boat on the line provided. Some examplesof other types of boats are: kayak, cruise ship,rubber raft.

Body of Water: 1 = lake2 = river3 = pond4 = ocean5 = other0 = body of water not recorded

Note: Whenever you use code 5 = other, please describethe body of water on the line provided. Some examplesof other bodies of water are: creek, inlet, bay,canal.

Appendix 5 - 4

4

Victim status: 1 = operator of boat2 = passenger on boat3 = swimmer4 = water skier5 = scuba diver6 = bystander7 = other0 = ER record does not state what the victim was doing

Note: Whenever you use code 7 = other, please describethe victim status on the line provided. Some examplesof other types of victim status not included in codes1-6 are: repairing boat, loading boat onto boattrailer.

Victim's activity:

Enter on this line a description of exactly what thevictim was doing when the accident happened.Report major activity followed by exactly what thevictim was doing. Examples of entries you might haveare:

water bkiing - skiing behind motor boat; hit rockscuba diving - lacerated hand on boat when entering

water

How transported to ER: 1 = emergency vehicle2 = personal vehicle3 = walked in4 = other0 = how victim arrived at ER was not recorded

Note: Whenever you use code 4 = other, pleasedescribe how the victim was transported to the ER.Some examples of other types of transport to theER not in codes 1-3 are: bus, cab.

Nearest City, State: City State_

List in spaces provided. Please use 2-digitpostal code for the State, e.g.;

Alabama = ALCalifornia = CAMaryland = MD

Appendix 5-5

5

Blood alcohol done: 1 = yes2 = no3 - unknown

Note: Whenever a lab test for blood alcohol levelwas done, enter 1 for "yes" and enter the resultjust as it appears in the ER record.For example,if the ER record says 01 mg/dl enter: 01 mg/dlIf the test was done, but the result is notavailable, enter NA.

ICD ECode recorded: 1 = yes2 = no3 = unknown

Note: If your ER does not use ECodes (ExternalCause of Injury Codes), enter code 2 above.If your ER does use ECodes, and the code isavailable, enter the code (without any decimals)as it appears. For example:

for Ecode 8301 or 830.1 enter 8301for Ecode 91028 or 910.28 or 910.2.8 enter 91028ifor Ecode 830 enter 830

If your ER does use ECodes, but the code isnot available, enter NA.

Appendix 6 - I

BOATING SPECIAL STUDY TRDT: CNO:

Type of boat: _ 1-motor 2-sail 3-canoe 4-personal watercraft5-other 0-unknown

Body of water: 1-lake 2-river 3-pond 4-ocean5-other 0-unknown

Victim status: 1-driver 2-passenger 3-swimmer 4-water skier5-scuba diver 6-bystander7-other 0-unknown

Victim's activity:

How transported to ER: 1=emergency veh. 2=personal veh. 3--walked in4-other 0-unknown

Nearest city, State: city State

Blood alcohol done? 1=yes 2=no 0=unknownICDA ECode recorded? 1=yes 2=no 0unknown

PRESS <Fl> TO CONTINUE, <F3> TO SKIP

Appendix 7 - 1

FOLLOW BACK QUESTIONNAIRE FOR BOATING INJURIES (CATID CGSN01) 10-3-91

Task Number Date of Interview

Before conducting interview, review NEISS and special study informationattached.

Hello, May I speak with ?

Hello. I'm from . We areworking with the U.S. Consumer Product Safety Commission, the U.S. CoastGuard, and various hospitals to find out how boating accidents occur.

1. I understand that you were treated at hospital on(date) for an injury involving a boat. Is that correct?

1 yes--> (Continue)

2 no---> If you did not reach the appropriate person, ask tospeak with the person most familiar with the accident;if necessary, set up call back time in Box A below.

If the incident did not involve a boat, obtain briefscenario of the incident, including productinformation, correct information as needed, and endinterview.)

3 other--> (Specify:)

2. Would you answer some questions about your accident so that we canlearn how to prevent similar accidents? Your answers will be keptcompletely confidential. Only statistical totals will be used fromthis study. Your name will not be used in any way -- it will not belinked to the answers; it will not be disclosed or released to others.

1 yes-->(Continue)2 no--->(Ask if another time would be better and set up call back

time below in Box A.)3 refused

BOX A

Interviewer: Complete below as necessary:

Best call back time: p.m.day oF week time of

Respondent is:1 person injured in incident2 parent of person injured in incident 1 Note: Substitute3 someone else-->(Specify:) _ -,the victimw for "youw

3 in questions.

If respondent is not the person injured, indicate whether respondent:1 witnessed the incident2 did not witness the incident

Appendix 7 - 2

3. Please tell me how the accident happened. (Include summary of eventsjust prior to, during and just after the accident. Probe as needed.)

(Interviever: If this narrative does not match the information obtainedfrom the NEISS case, please correct the NEISS information on the coversheet.)

Appendix 7 - 3

BOX B

HAZARD PATTERN

Interviewer: When appropriate, confirm details volunteered "rlier byrespondent. Say. *Let me see, earlier you told ms ... Is thatcorrect?'

4. When the accident happened, was the boat being operated, being put inor taken out of water, being transported, being repaired, or somethingelse?

1 being operated (on a body of water)

2 being put into/taken out of body of water3 being transported4 being repaired -- > Skip to5 something else-->(Specify:) Box C

9 don't know

5. About how many persons, including the operator, were on the boat atthe time of the accident?

persons9 don't know

6. Was anyone else injured in this accident?

1 yes-->(Specify:)2 no9 don't know

7a. Was (your/victim's) injury the result of a boat collision?

1 yes-->(Specify what the boat collided with):2 no--->(Skip to 8.)9 don't know-->(Skip to 8.)

7b. What part of the boat hit (you/victim)?

(Specify part of boat.)00 none; boat did not hit (me/victim)99 don't know

8. About how fast was the boat traveling when the accident happened?mph/knots (circle whether mph or knots)

99 don't know

BOX C

Interviewer: Thank the respondent and terminate interview if the injurydid not occur while th.e boat was being operated on a bodyof water.If you are unsure whether boat was being operated, returnt o question 5. and continue the interview.

Apperxix 7 - 4

9. What would you say was (your/victim's) major activity at the time theaccident happened?

1 operating boat/jet2 passenger in boat/jet ski3 water skiing4 scuba diving5 swimming6 fishing7 other-->(Specify:)9 don't know

10. What were the weather conditions at the time of the accident?(Interviewer: Probe for whether clear, cloudy, foggy, raining, orwindy.)

99 don't know/don't remember

11. How calm or rough would you say the water was at the time of theincident?

1 calm2 choppy (waves 6" to 2 feet)3 rough (waves 2 - 6 feet)4 very rough (waves over 6 feet)9 don't know

12. When the accident happened, were (you/victim) wearing a life jacket orother flotation device?

1 yes2 no9 don't know

13. Have (you/victim) ever had a course in water/boating safety?

1 yes2 no9 don't know

B0X D

INJURED PERSON DATA

14. Let's see, the emergency room record indicates that the injury was(description of the iniury) . Was that what the ER staff told(you/victim) ?

1 yes2 no -- > (Describe:) ,9 don't know

Appendix 7 - 5

15. Thinking back on the day of the accident, but before the accidenthappened, were (you/victim) feeling ill in any way?

1 yes-->Please describe:

2 no

9 don't know

16. When the accident happened, did anyone call for emergency help?

1 yes -- > How was this done--by shouting, signaling, flares,a radio, telephone, or some other way?-->(Specify:)

2 no9 don't know

17. Did (you/victim) receive any type of emergency help?

1 yes-->(Specify:)2 no9 don't know/don't remember

18. As a result of the injury, did (you/victim) have to spend any nightsin the hospital?

1 yes-->How many nights?nights

99 don't know2 no9 don't know

19. As a result of this injury, did (you/victim) miss any days of work orschool?

1 yes-->How many days?days (work or school)

99 don't know2 no9 don't know

Appendix 7 - 6

BOX 3

BOAT OPERATOR DATA

Ask the following questions about the OPERATOR of the bot whether or not thevictim was the operator. If victim was the operator, substitute the word"operator" for "you."

If more than one boat (more than one operator) was involved, ask the respondent tothink about and respond for the operacor of the boat most directly involved incausing the victim's injuries.

20. The next few questions concern the person who was operating the boatwhich was most directly involved in the accident; that is, mostdirectly caused the victim's injury. (Interviewer: If victim wasoperating the boat, change the wording in the questions to say "you"instead of "operator."')

How old was the operator?

years99 don't know-->(Probe for whether adult, teenager or younger.)

1 adult2 teenager (ages 13-19)3 younger than teenager9 don't know

21. Was the operator male or female?

1 male2 female9 don't know/don't recall

22. On the day of the accident, about how long had the operator beenoperating the boat before the incident occurred?

minutes and/or hours9999 don't know

23. Had the operator ever operated this boat before the day of theincident?

1 yes--> About how often had the operator operated this boatprior to this accident?

2 no9 don't know

Appendix 7 - 7

24. Prior to this accident, how much experience did the operator haveoperating other pover boats?

0 none, first-time operator of this boat on day of accident1 prior experience-->(Describe:)

9 don't know

25. Has the operator had any other boating accidents in the past year?

1 yes---> (Probe for types of accidents:)

2 no

3 don't know

26. Whose boat is it?

1 operator's/operator's household2 operator's relative3 operator's friends/acquaintances4 commercial/rental company5 someone else-->(Specify:9 don't know

27. Were you aware of any problem with the boat that may have contributedto the accident?

1 yes, specify:2 no9 don't know

BOX G

BOAT DESCRIPTION DATA

If more than I boat was involved, ask for the details concerning the boat/jet ski most directly involved with the victim's injury and write in belowunder "BOAT l.' Then ask about a second boat/jet ski and include detailsbelow under *BOAT 2."

If the respondent does not know the answers to the boat descriptionquestions but can obtain the information later, continue the interview butsay that you will call back for this information. Set up and write in BoxA the best call back time.

Appendix 7 - 8

28. Now I have a few questions about the boat or boats involved in theaccident. Earlier you told me that (one boat was involved/twoboats... were involved.) (First, let's talk about the boat mostdirectly involved in your accident.)

BOAT I BOAT 2a.Type of boat: 1 motor 1 motor

2 sail 2 sail3 canoe 3 canoe4 jet ski 4 jet ski5 other 5 other9 don't know 9 don't know

b.Brand name:

c.Type engine: 0 none (Skip to 29) 0 none (Skip to 29)1 inboard 1 inboard2 outboard 2 outboard3 stern drive 3 stern drive4 jet drive 4 jet drive5 fan 5 fan6 other: 6 other:9 don't know 9 don't know

d.Power source: 0 none 0 none1 gas propeller 1 gas propeller2 water (jet) 2 water (jet)9 don't know 9 don't know

e.Number of 0 none 0 nonepropellers 1 one propeller 1 one propeller

2 two+ propellers 2 two+ propellers9 don't know 9 don't know

29. Were there other problems, such as the weather or passenger behaviorthat you think may have contributed to the accident?

1 yes-->(Describe:)2 no9 don't know/don't remember

30. Did anyone involved in the accident (e.g., victim or operator of theboat) take any medicine or other drugs on that day before the accidentoccurred?

1 yes-->(Describe:)2 no8 refused9 don't know/don't remember

Apperxix 7 - 9

31. Did anyone involved in the accident (e.g., victim or operator of theboat) have anything to drink with alcohol in it, on that day beforethe accident occurred?

1 yes-->(Describe:)2 no8 refused9 don't know/don't remember

32. In order for us to learn how to help prevent boating accidents, weneed to be sure we understand how they occur. Were there anywitnesses to your accident who might provide additional informationeither on the accident or the emergency treatment you received?

1 yes (Record on Cover Record Sheet)2 no9 don't know

33. If I have missed anything, would you mind if I call you back?

1 ok to call back2 don't call back

Thank respondent and end interview.

Appendix 8 - 1

adata x:barslist.doc,

July 17, 1992

uADD.

Dear aNla:

Florida's Injury Control Program within the Office of EmergencyMedical Services is collecting information on injuries due toboating accidents in Florida. This study was authorized by theUnited States Congress who further requested that the Centers forDisease Control and the United States Coast Guard collaborate inits completion.

I have received information from the Florida Marine Patrol whichindicates that you were injured in a boating accident on or aboutUDATE,. We need some additional information about any medicaltreatment you may have received for the injury. Would you pleasecomplete the questions on the attached sheet and return it to me inthe enclosed self-addressed envelope? The information you providewill be regarded as confidential and never reported in such a wayas to identify you.

aN2,, I appreciate your cooperation. Please feel free to call meat (904) 487-1911 if you have any questions about our project.

Sincerely,

James M. Croushorn, D.P.A.Medical/Health Care

Program AnalystEmergency Medical Services

Attachment1. Survey

Appendix 8 - 2

SSTAT. I0I:I:I.OF IIII)A

DEPARTMENT OF HEALTH AND R-IýABIULTATIVEq SER\ICE-S;

September 3, 1992

TO: See Distribution List

SUBJECT: Injuries Caused by Boating Acrcidents

Thank you for your help with our Boating Accident Project for theCenters for Disease Control (CDC) and the U.S. Coast Guard(USCG). As you recall, we wrote the staff responsible for thetrauma registry forms in each of the acute care hospitals andemergency medical services providers. The letter requested thatall trauma registry forms forwarded to the trauma registry bemarked as involving boating if the injury was due to a boatingaccident. Your help in this project has been very helpful.

The project included all bcating related injuries that occurredduring the period of September 1, 1991 through August 31, 1992.Please forward any additional trauma registry forms you may havefor injuries that occurred on or before August 31. This willhelp us finalize the data file for CDC/USCG before our October 16deadline.

Call me if you have any questions or comments about this project(904-487-1911 or SC 277-1911). Again, thank you for helping inthis project.

JAMES M. CROUSHORN, D.P.A.V Medical/Health Care

Program AnalystEmergency Medical Services

DISTRIBUTION LIST:(AIG 56A): Hospital Trauma Registry Coordinators(AIG 56B): EMS Provider Trauma Registry Coordinators

JIM/vrp

1317 WINEWOOD BOULEVARD * TALLAHASSEE. FLORIDA 32399-0700

Appeýix 8 - 3

BOATING ACCIDENT SURVEY FOR THE CENTERS FOR DISEASE CONTROL ANDTHE UNITED STATES COAST GUARD

Return to: Dr. Jim CroushornOffice of Emergency Medical ServicesFlorida Department of Health and

Rehabilitative Services1317 Winewood BlvdTallahassee, Florida 32301

Please correct the following personal information:

NAME : ROSALIE ABTEYAGE AT TIME OF BOATING INJURY: 53

RACE: 1 SEX: 201 Caucasian 01 Male02 Black 02 Female03 Hispanic04 Other

Please answer the following questions:

NAME OF THE BODY OF WATER IN WHICH THE ACCIDENT OCCURRED?

(Name of river, creek, bay, etc)

WHAT WAS SITE LOCATION OF THE ACCIDENT? (circle the one that bestdescribes the location)

01 Bay/Sound 06 Creek02 Inlet 07 Canal/Cut03 Ocean/Gulf 08 Port/Harbor04 Lake/Pond 99 Other05 River

WHAT WAS THE CITY IN WHICH THE ACCIDENT OCCURRED OR THE CLOSESTCITY TO THE ACCIDENT LOCATION?

(name of city)

Appendix 8 - 4

IDENTIFY THE TYPE OF ACCIDENT (circle the one that best describesyour accident)

01 Grounding 09 Collision with floating object02 Capsizing 10 Falls Overboard03 Flooding 11 Falls in Boat04 Sinking 12 Fallen Skier05 Fire or Explosion (fuel) 13 Hit by Boat06 Fire or Explosion 14 Hit by Prop

(other than fuel) 99 Other07 Collision with Vessel08 Collision with fixed object

TYPE OF OPERATION (circle the activity that best describes whatyour boat was doing at the time)

01 Commercial Fishing 10 Fishing02 Other Commercial 11 Hunting03 At Anchor 12 Towing04 Tied to Dock 13 Being Towed05 Docking 14 Skin Diving06 Drifting 15 SCUBA Diving07 Maneuvering 16 Swimming08 Cruising 17 Skiing09 Racing 99 Other

TYPE BOAT (circle the type of vessel that best describes the boatyou were in)

01 Open motorboat 06 Canoe02 Cabin motorboat 07 Personal Watercraft03 Auxiliary Sail (includes jet ski)04 Sail (only) 99 Other05 Rowboat

TYPE PROPULSION (circle the type of propulsion of the vessel thatbest describes the boat you were in)

01 Outboard 05 Air prop02 Inboard 06 Jet03 Sail 99 Other04 Inboard/Outboard